Collection: Men's Base Layer / Underwear

Stay warm all winter with our collection of mens baselayers and thermals, including long johns, and versatile short or long sleeve tops. Choose from a wide range of sizes, styles, and materials such as merino wool.
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98 products

  • Helly Hansen Lifa Base Layer
    Helly Hansen Lifa Base Layer Pant in Black Helly Hansen Lifa Base Layer Pant in Black
    Helly Hansen Lifa Base Layer
    Regular price
    £28.95
    Regular price
    £37.99
    Sale price
    £28.95
  • Seeland Active Long Sleeve T-Shirt
    Pine Green Coloured Seeland Active Long Sleeve T-Shirt On A White Background Pine Green Coloured Seeland Active Long Sleeve T-Shirt On A White Background
    Seeland Active Long Sleeve T-Shirt
    Regular price
    £49.99
    Regular price
    £49.99
    Sale price
    £49.99
  • Musto Mens Thermal Base Layer Trouser
    Dark Grey Marl coloured Musto Mens Thermal Base Layer Trouser on white background Dark Grey Marl coloured Musto Mens Thermal Base Layer Trouser on white background
    Musto Mens Thermal Base Layer Trouser
    Regular price
    £55.95
    Regular price
    £70.00
    Sale price
    £55.95
  • Harkila Mountain Hunter Long Sleeve T-Shirt
    Hunting Green Shadow Brown colour Harkila Mountain Hunter Long Sleeve T-shirt on white background Hunting Green Shadow Brown colour Harkila Mountain Hunter Long Sleeve T-shirt on white background
    Harkila Mountain Hunter Long Sleeve T-Shirt
    Regular price
    £69.99
    Regular price
    £69.99
    Sale price
    £69.99
  • Caterpillar Thermo Long Sleeve Shirt
    Caterpillar Thermo Long Sleeve Shirt in Black
    Caterpillar Thermo Long Sleeve Shirt
    Regular price
    £13.99
    Regular price
    £19.99
    Sale price
    £13.99
  • Harkila Heat Long Sleeve T-Shirt
    Willow Green Black Harkila Heat Long Sleeve T-Shirt on white background Willow Green Black Harkila Heat Long Sleeve T-Shirt on white background
    Harkila Heat Long Sleeve T-Shirt
    Regular price
    £219.99
    Regular price
    £219.99
    Sale price
    £219.99
  • Deerhunter Chamois Short Sleeve T-Shirt
    Forest Green coloured Deerhunter Chamois Short Sleeve T-Shirt on white background Forest Green coloured Deerhunter Chamois Short Sleeve T-Shirt on white background
    Deerhunter Chamois Short Sleeve T-Shirt
    Regular price
    £26.99
    Regular price
    £29.99
    Sale price
    £26.99
    New Arrival
  • Harkila Forest Hunter Long Sleeve T-Shirt
    Hunting Green Shadow Brown Coloured Harkila Forest Hunter Long Sleeve T-Shirt On A White Background Hunting Green Shadow Brown Coloured Harkila Forest Hunter Long Sleeve T-Shirt On A White Background
    Harkila Forest Hunter Long Sleeve T-Shirt
    Regular price
    £59.99
    Regular price
    £59.99
    Sale price
    £59.99
  • Deerhunter Game Half-Zip Long Sleeve T-Shirt
    Realtree-Max-7 coloured Deerhunter Game Half-Zip Long Sleeve T-Shirt on white background Realtree-Max-7 coloured Deerhunter Game Half-Zip Long Sleeve T-Shirt on white background
    Deerhunter Game Half-Zip Long Sleeve T-Shirt
    Regular price
    £37.90
    Regular price
    £59.99
    Sale price
    £37.90
    Clearance
  • Icebreaker Merino 200 Oasis Balaclava
    Black Coloured Icebreaker Unisex Merino 200 Oasis Balaclava on white background Black Coloured Icebreaker Unisex Merino 200 Oasis Balaclava on white background
    Icebreaker Merino 200 Oasis Balaclava
    Regular price
    £27.00
    Regular price
    £27.00
    Sale price
    £27.00
  • Helly Hansen American Magic UPF Tech Long Sleeve Shirt
    White coloured Helly Hansen American Magic UPF Tech Long Sleeves Shirt on white background White coloured Helly Hansen American Magic UPF Tech Long Sleeves Shirt on grey background
    Helly Hansen American Magic UPF Tech Long Sleeve Shirt
    Regular price
    £54.95
    Regular price
    £60.00
    Sale price
    £54.95
  • Helly Hansen American Magic Technical Crew Long Sleeve Shirt
    AM Grey Fog coloured Helly Hansen American Magic Technical Crew Long Sleeve Shirt on white background AM Grey Fog coloured Helly Hansen American Magic Technical Crew Long Sleeve Shirt on grey background
    Helly Hansen American Magic Technical Crew Long Sleeve Shirt
    Regular price
    £31.95
    Regular price
    £35.00
    Sale price
    £31.95

Men's base layers, also known as thermals or thermal underwear, are essential garments for braving the harshest climates during outdoor activities.

These base layers are designed to provide warmth and comfort by trapping body heat close to the skin. Whether you're working out on the farm in the early winter mornings or heading for a hike through the snow, these mens thermals are a must-have item.

Stocking top brands like Fort and Deerhunter, this collection holds a wide range of options, from long-sleeved tops to long johns and merino wool base layers. Each garment is made from high-quality materials with excellent moisture-wicking properties to keep you dry and regulate your body temperature, preventing you from feeling too hot or too cold.

Layering can make all the difference when it comes to effective performance, and these base layers for men are the ideal starting point. Stay warm, stay comfortable, and enjoy the great outdoors to the fullest!

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